:root {
  --b88-primary-color: #11A84E;
  --b88-secondary-color: #22C768;
  --b88-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --b88-card-bg: #11271B;
  --b88-background: #08160F;
  --b88-text-main: #F2FFF6;
  --b88-text-secondary: #A7D9B8;
  --b88-border-color: #2E7A4E;
  --b88-glow-color: #57E38D;
  --b88-gold-color: #F2C14E;
  --b88-divider-color: #1E3A2A;
  --b88-deep-green: #0A4B2C;
}

.page-faq-giao-dich {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--b88-text-main); /* Default text color for dark background */
  background-color: var(--b88-background);
}

.page-faq-giao-dich__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-faq-giao-dich__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  text-align: center;
  background-color: var(--b88-deep-green);
  position: relative;
  overflow: hidden;
}

.page-faq-giao-dich__hero-image {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 30px;
  box-shadow: 0 0 30px var(--b88-glow-color);
}

.page-faq-giao-dich__hero-content {
  position: relative;
  z-index: 1;
}

.page-faq-giao-dich__main-title {
  font-size: 3.2em;
  font-weight: bold;
  color: var(--b88-gold-color);
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.7);
}

.page-faq-giao-dich__intro-text {
  font-size: 1.2em;
  color: var(--b88-text-secondary);
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-faq-giao-dich__section-title {
  font-size: 2.5em;
  color: var(--b88-primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.page-faq-giao-dich__section-title--light {
  color: var(--b88-gold-color);
}

.page-faq-giao-dich__faq-section {
  padding: 60px 0;
}

.page-faq-giao-dich__faq-section:nth-of-type(odd) {
  background-color: var(--b88-background);
}

.page-faq-giao-dich__faq-section:nth-of-type(even) {
  background-color: var(--b88-card-bg);
}

.page-faq-giao-dich__faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-faq-giao-dich__faq-item {
  background-color: var(--b88-card-bg);
  border: 1px solid var(--b88-border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  color: var(--b88-text-main);
}

.page-faq-giao-dich__faq-item--light {
  background-color: var(--b88-deep-green);
  border-color: var(--b88-glow-color);
}

.page-faq-giao-dich__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  background-color: var(--b88-card-bg);
  border-bottom: 1px solid var(--b88-divider-color);
  transition: background-color 0.3s ease;
  color: var(--b88-text-main);
  list-style: none; /* For details/summary native styling */
}

.page-faq-giao-dich__faq-item--light .page-faq-giao-dich__faq-question {
  background-color: var(--b88-deep-green);
  border-color: var(--b88-glow-color);
}

.page-faq-giao-dich__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker */
}

.page-faq-giao-dich__faq-qtext {
  font-size: 1.3em;
  font-weight: bold;
  color: var(--b88-text-main);
  margin: 0;
}

.page-faq-giao-dich__faq-toggle {
  font-size: 1.8em;
  font-weight: bold;
  color: var(--b88-primary-color);
  transition: transform 0.3s ease;
}

.page-faq-giao-dich__faq-item[open] .page-faq-giao-dich__faq-toggle {
  transform: rotate(45deg);
}

.page-faq-giao-dich__faq-answer {
  padding: 20px 25px;
  color: var(--b88-text-secondary);
  font-size: 1.1em;
  border-top: 1px solid var(--b88-divider-color);
}

.page-faq-giao-dich__faq-answer p {
  margin-bottom: 15px;
  color: var(--b88-text-secondary);
}

.page-faq-giao-dich__faq-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin-top: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-faq-giao-dich__contact-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--b88-background);
}

.page-faq-giao-dich__contact-description {
  font-size: 1.2em;
  color: var(--b88-text-secondary);
  max-width: 700px;
  margin: 0 auto 40px auto;
}

.page-faq-giao-dich__btn-primary {
  display: inline-block;
  padding: 15px 30px;
  background: var(--b88-button-gradient);
  color: #ffffff;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  font-size: 1.1em;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  border: none;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-faq-giao-dich__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

.page-faq-giao-dich__support-image {
  max-width: 800px;
  height: auto;
  display: block;
  margin: 60px auto 0 auto;
  border-radius: 10px;
  box-shadow: 0 0 20px var(--b88-glow-color);
}

/* General image responsive styles */
.page-faq-giao-dich img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
  .page-faq-giao-dich {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-faq-giao-dich__container {
    padding: 15px;
  }

  .page-faq-giao-dich__hero-section {
    padding-bottom: 40px;
  }

  .page-faq-giao-dich__main-title {
    font-size: 2em;
    line-height: 1.2;
    margin-bottom: 15px;
  }

  .page-faq-giao-dich__intro-text {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-faq-giao-dich__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-faq-giao-dich__faq-item {
    border-radius: 5px;
  }

  .page-faq-giao-dich__faq-question {
    padding: 15px 20px;
  }

  .page-faq-giao-dich__faq-qtext {
    font-size: 1.1em;
  }

  .page-faq-giao-dich__faq-toggle {
    font-size: 1.5em;
  }

  .page-faq-giao-dich__faq-answer {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-faq-giao-dich__btn-primary {
    padding: 12px 25px;
    font-size: 1em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-faq-giao-dich__contact-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  /* Mobile image adaptation */
  .page-faq-giao-dich img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-faq-giao-dich__container,
  .page-faq-giao-dich__hero-section,
  .page-faq-giao-dich__faq-section,
  .page-faq-giao-dich__tips-section,
  .page-faq-giao-dich__contact-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Placeholder for homepage-specific elements, as per instruction */
  /* 1. 顶区轮播 (Hero Carousel) */
  .page-faq-giao-dich__hero-carousel-section { /* Assuming this class might be used for a carousel, even if not in HTML */
    padding-top: 10px !important; /* Ensure minimal top padding */
  }
  .page-faq-giao-dich__hero-slider { /* Placeholder for slider container */
    max-width: 100%;
    overflow: hidden;
  }
  .page-faq-giao-dich__hero-slide { /* Placeholder for individual slide */
    width: 100%;
    height: auto;
    display: block;
  }
  .page-faq-giao-dich__hero-slider-prev, .page-faq-giao-dich__hero-slider-next {
    font-size: 2em;
    padding: 10px;
  }

  /* 2. 操作指引外框 + 五张 `team` 竖型卡 (Guide Box + Five Vertical Team Cards) */
  .page-faq-giao-dich__guide-box {
    padding: 10px;
  }
  .page-faq-giao-dich__guide-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr); /* Basis for upper two (span 3), lower three (span 2) */
    gap: 10px;
  }
  .page-faq-giao-dich__guide-card {
    padding-top: 0 !important; /* Reset any desktop padding */
    flex: none;
    max-width: 100%;
  }
  .page-faq-giao-dich__guide-card--pos-1, .page-faq-giao-dich__guide-card--pos-2 {
    grid-column: span 3;
  }
  .page-faq-giao-dich__guide-card--pos-3, .page-faq-giao-dich__guide-card--pos-4, .page-faq-giao-dich__guide-card--pos-5 {
    grid-column: span 2;
  }
  .page-faq-giao-dich__guide-card img {
    aspect-ratio: 250/350;
    object-fit: contain;
    width: 100%;
    height: auto;
  }

  /* 3. `home_content` 外框 (Home Content Box) */
  .page-faq-giao-dich__home-content-box {
    max-width: 100%;
    height: auto; /* Full height display */
    border: none;
    box-shadow: none;
    padding: 15px;
  }
  .page-faq-giao-dich__home-content-inner {
    height: auto; /* Full height display */
    overflow: visible; /* No internal scroll */
  }

  /* 4. 博客卡片区 (Blog Card Section) */
  .page-faq-giao-dich__blog-section {
    padding: 40px 0;
  }
  .page-faq-giao-dich__blog-grid {
    grid-template-columns: repeat(1, 1fr); /* Single column for mobile */
    gap: 15px;
  }
  .page-faq-giao-dich__blog-card {
    max-width: 100%;
  }

  /* 5. 通用图片与按钮 (Generic Images and Buttons) - Already covered by general rules above */
}